December 3, 2025PlantsOpen Access

Plant Hormone Stimulation and HbHSP90.3 Plays a Vital Role in Water Deficit of Rubber Tree (Hevea brasiliensis Muell. Arg.)

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HbHSP90.3 reduces drought stress in rubber trees, enhancing water retention under deficit conditions.
Key interaction was found with the HSP90 protein inhibitor geldanamycin highlighting hormone signaling's role.
Characterization involved expression analysis of HbHSP90.3 across multiple tissues and mechanical wounding treatment.
These findings suggest potential strategies for improving rubber tree resilience amidst environmental stresses.

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Analysis reveals HbHSP90.3 mediates drought resistance in Hevea brasiliensis, implicating insulin and hormone signaling pathways.

Liu et al. (2025) studied this question.

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